5123950149 has 4 divisors (see below), whose sum is σ = 6831933536. Its totient is φ = 3415966764.

The previous prime is 5123950141. The next prime is 5123950159. The reversal of 5123950149 is 9410593215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5123950149 - 2³ = 5123950141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123950141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853991689 + ... + 853991694.

It is an arithmetic number, because the mean of its divisors is an integer number (1707983384).

Almost surely, 2^5123950149 is an apocalyptic number.

It is an amenable number.

5123950149 is a deficient number, since it is larger than the sum of its proper divisors (1707983387).

5123950149 is a wasteful number, since it uses less digits than its factorization.

5123950149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707983386.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 5123950149 is about 71581.7724633862. The cubic root of 5123950149 is about 1723.9908848568.

The spelling of 5123950149 in words is "five billion, one hundred twenty-three million, nine hundred fifty thousand, one hundred forty-nine".